Trojan:MSIL/Cryptor

What is Trojan:MSIL/Cryptor infection?

In this post you will locate regarding the definition of Trojan:MSIL/Cryptor and also its unfavorable impact on your computer system. Such ransomware are a type of malware that is elaborated by on the internet frauds to demand paying the ransom money by a sufferer.

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In the majority of the situations, Trojan:MSIL/Cryptor infection will advise its victims to start funds transfer for the function of neutralizing the amendments that the Trojan infection has actually introduced to the target’s tool.

Trojan:MSIL/Cryptor Summary

These modifications can be as follows:

  • Executable code extraction. Cybercriminals often use binary packers to hinder the malicious code from reverse-engineered by malware analysts. A packer is a tool that compresses, encrypts, and modifies a malicious file’s format. Sometimes packers can be used for legitimate ends, for example, to protect a program against cracking or copying.
  • Creates RWX memory. There is a security trick with memory regions that allows an attacker to fill a buffer with a shellcode and then execute it. Filling a buffer with shellcode isn’t a big deal, it’s just data. The problem arises when the attacker is able to control the instruction pointer (EIP), usually by corrupting a function’s stack frame using a stack-based buffer overflow, and then changing the flow of execution by assigning this pointer to the address of the shellcode.
  • The binary likely contains encrypted or compressed data. In this case, encryption is a way of hiding virus’ code from antiviruses and virus’ analysts.
  • Network activity detected but not expressed in API logs. Microsoft built an API solution right into its Windows operating system it reveals network activity for all apps and programs that ran on the computer in the past 30-days. This malware hides network activity.
  • Ciphering the records found on the sufferer’s disk drive — so the victim can no more make use of the data;
  • Preventing routine access to the sufferer’s workstation;

Trojan:MSIL/Cryptor

One of the most regular channels whereby Trojan:MSIL/Cryptor Trojans are infused are:

  • By means of phishing emails;
  • As an effect of individual winding up on a resource that hosts a malicious software;

As soon as the Trojan is successfully infused, it will certainly either cipher the data on the sufferer’s computer or protect against the gadget from working in a proper way – while additionally positioning a ransom money note that discusses the requirement for the targets to effect the repayment for the purpose of decrypting the papers or recovering the documents system back to the initial condition. In many instances, the ransom money note will certainly turn up when the customer reboots the PC after the system has actually already been damaged.

Trojan:MSIL/Cryptor distribution channels.

In numerous edges of the world, Trojan:MSIL/Cryptor expands by leaps and also bounds. Nevertheless, the ransom notes as well as techniques of obtaining the ransom amount may vary depending on certain regional (local) setups. The ransom notes and methods of obtaining the ransom amount might differ depending on particular neighborhood (local) setups.

Ransomware injection

For example:

    Faulty informs regarding unlicensed software program.

    In particular locations, the Trojans often wrongfully report having spotted some unlicensed applications allowed on the sufferer’s gadget. The sharp after that demands the user to pay the ransom money.

    Faulty statements about illegal web content.

    In countries where software piracy is much less preferred, this technique is not as efficient for the cyber fraudulences. Alternatively, the Trojan:MSIL/Cryptor popup alert may wrongly declare to be originating from a law enforcement establishment and also will report having situated kid pornography or various other prohibited information on the gadget.

    Trojan:MSIL/Cryptor popup alert may wrongly assert to be acquiring from a law enforcement organization and will report having located child porn or other unlawful information on the gadget. The alert will in a similar way contain a need for the user to pay the ransom money.

Technical details

File Info:

crc32: 6333C475
md5: 930ce8cc7096169a8b15e4ada3181330
name: 930CE8CC7096169A8B15E4ADA3181330.mlw
sha1: dc653d16d1ee42f3af02816965dacf0006cdeb95
sha256: d236d64b7bf9510ea1746d10a4c164a2ef2c724cc62b2bca91d72bdf24821e40
sha512: 90e950464033eb91e53e92dd3b9807f9aa454a8dae80bd4ba2f99171d0ac6bb4824468d6d63d3c349a1b29ebb1b86cdb20e69199515a7e26932fbd5e720b559c
ssdeep: 6144:GRgShjoXXwlIynSXph/hlsPdBzRW3Nvvxs7ID0eAXgQgTfXAsKfbqLEsgjNB1YA:fnwl1nMhQd/WFvxsMO2LAFsgjTn
type: PE32 executable (GUI) Intel 80386, for MS Windows

Version Info:

LegalCopyright: Copyright (C) 2008
InternalName: transscroll
FileVersion: 1, 0, 0, 1
CompanyName:
LegalTrademarks:
ProductName: transscroll Application
ProductVersion: 1, 0, 0, 1
FileDescription: transscroll MFC Application
OriginalFilename: transscroll.EXE
Translation: 0x0409 0x04b0

Trojan:MSIL/Cryptor also known as:

GridinSoft Trojan.Ransom.Gen
Bkav W32.AIDetectVM.malware1
Elastic malicious (high confidence)
Qihoo-360 Win32/Trojan.716
McAfee Emotet-FSF!930CE8CC7096
Cylance Unsafe
Zillya Trojan.Zenpak.Win32.4531
Sangfor Malware
K7AntiVirus Trojan ( 0057149c1 )
Alibaba Trojan:Win32/ZWrap.5fb8f771
K7GW Trojan ( 0057149c1 )
Cyren W32/Trojan.OODA-4662
Symantec ML.Attribute.HighConfidence
ESET-NOD32 a variant of Win32/Kryptik.HGUR
APEX Malicious
Paloalto generic.ml
Cynet Malicious (score: 100)
Kaspersky HEUR:Trojan.Win32.Zenpak.gen
BitDefender Trojan.EmotetU.Gen.Eu0@ga1MJTji
NANO-Antivirus Trojan.Win32.Zenpak.ibkvig
ViRobot Trojan.Win32.Z.Emotetu.494080
MicroWorld-eScan Trojan.EmotetU.Gen.Eu0@ga1MJTji
Avast Win32:Malware-gen
Rising Trojan.Kryptik!1.CD97 (CLASSIC)
Ad-Aware Trojan.EmotetU.Gen.Eu0@ga1MJTji
Emsisoft Trojan.EmotetU.Gen.Eu0@ga1MJTji (B)
F-Secure Trojan.TR/Crypt.Agent.psplf
DrWeb Trojan.Encoder.32888
VIPRE Trojan.Win32.Generic!BT
TrendMicro TrojanSpy.Win32.EMOTET.SMU.hp
McAfee-GW-Edition BehavesLike.Win32.Emotet.gc
FireEye Generic.mg.930ce8cc7096169a
Sophos Mal/Generic-S
GData Trojan.EmotetU.Gen.Eu0@ga1MJTji
Jiangmin Trojan.Zenpak.dvl
Webroot W32.Trojan.Gen
Avira TR/Crypt.Agent.psplf
Antiy-AVL Trojan/Win32.Emotet.a
Kingsoft Win32.Troj.Undef.(kcloud)
Arcabit Trojan.EmotetU.Gen.EDE76F
AegisLab Trojan.Win32.Zenpak.4!c
ZoneAlarm HEUR:Trojan.Win32.Zenpak.gen
Microsoft Trojan:MSIL/Cryptor
AhnLab-V3 Trojan/Win32.RansomCrypt.C4208104
VBA32 BScope.Malware-Cryptor.Emotet
ALYac Trojan.EmotetU.Gen.Eu0@ga1MJTji
MAX malware (ai score=80)
Malwarebytes Trojan.MalPack
TrendMicro-HouseCall TrojanSpy.Win32.EMOTET.SMU.hp
Tencent Win32.Trojan.Zenpak.Hpro
Ikarus Trojan.Agent
eGambit Unsafe.AI_Score_94%
Fortinet W32/Kryptik.HEOE!tr
BitDefenderTheta Gen:NN.ZexaF.34688.Eu0@aa1MJTji
AVG Win32:Malware-gen
Panda Trj/CI.A
CrowdStrike win/malicious_confidence_60% (W)
MaxSecure Trojan.Malware.73832973.susgen

How to remove Trojan:MSIL/Cryptor virus?

Unwanted application has ofter come with other viruses and spyware. This threats can steal account credentials, or crypt your documents for ransom.
Reasons why I would recommend GridinSoft1

The is an excellent way to deal with recognizing and removing threats – using Gridinsoft Anti-Malware. This program will scan your PC, find and neutralize all suspicious processes.2.

Download GridinSoft Anti-Malware.

You can download GridinSoft Anti-Malware by clicking the button below:

Run the setup file.

When setup file has finished downloading, double-click on the setup-antimalware-fix.exe file to install GridinSoft Anti-Malware on your system.

Run Setup.exe

An User Account Control asking you about to allow GridinSoft Anti-Malware to make changes to your device. So, you should click “Yes” to continue with the installation.

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Press “Install” button.

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Once installed, Anti-Malware will automatically run.

GridinSoft Anti-Malware Splash-Screen

Wait for the Anti-Malware scan to complete.

GridinSoft Anti-Malware will automatically start scanning your system for Trojan:MSIL/Cryptor files and other malicious programs. This process can take a 20-30 minutes, so I suggest you periodically check on the status of the scan process.

GridinSoft Anti-Malware Scanning

Click on “Clean Now”.

When the scan has finished, you will see the list of infections that GridinSoft Anti-Malware has detected. To remove them click on the “Clean Now” button in right corner.

GridinSoft Anti-Malware Scan Result

Are Your Protected?

GridinSoft Anti-Malware will scan and clean your PC for free in the trial period. The free version offer real-time protection for first 2 days. If you want to be fully protected at all times – I can recommended you to purchase a full version:

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If the guide doesn’t help you to remove Trojan:MSIL/Cryptor you can always ask me in the comments for getting help.

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References

  1. GridinSoft Anti-Malware Review from HowToFix site: https://howtofix.guide/gridinsoft-anti-malware/
  2. More information about GridinSoft products: https://gridinsoft.com/products/

About the author

Robert Bailey

Security Engineer. Interested in malware, reverse engineering, white ethical hacking. I like coding, travelling and bikes.

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